Go to Tools -> Options -> IDE. Select Type: Program files, check 'Compile before saving' and 'Override individual settings'.

>I've just migrated onto a new PC, and there's one (OK, at least one) setting I can't find ....
>
>When I save a PRG or method that has compilation errors, I expect to get a warning message so that I can re-edit the bad code. No such message happening now, nor have I been able to locate the handy little option that turns this on.
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>Can somebody please tell me where it is?
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>Thanks in advance,